/**
 * Copyright (c) 2009 Jim Hurne
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
package org.tzconverter.tzdisplay;

import java.beans.PropertyChangeListener;
import java.util.Date;

/**
 * Model class for the TimeZoneDisplay component.  A single TimeZoneDisplayModel
 * is shared with all TimeZoneDisplay components.  Each instance of the TimeZoneDisplay
 * triad update the model. The model then fires PropertyChangeEvents, which eachTimeZoneDisplay
 * triad is listening to.
 * 
 * @since May 5, 2009
 */

public interface TimeZoneDisplayModel
{
  public static final String PROP_DATE = "date";
  public static final String PROP_PATTERN = "pattern";
  
  public String getPattern();
  
  public Date getDate();
  public void setDate(Date utc);
  
  public void addPropertyChangeListener(PropertyChangeListener listener);
  public void removePropertyChangeListener(PropertyChangeListener listener);
}
